Puree the peaches and strawberries in a blender or food
processor. Combine the pureed fruit and simple syrup. Stir in the orange
juice, brandy, Cointreau, and wine. Add the sliced citrus fruit pieces.
Stir and chill well in the refrigerator.

Just before serving, stir in the club soda or champagne. Serve over ice in wine glasses. About 40 servings.